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The patent EP2879509 was granted to Bahlsen on Nov 22, 2023. The application was filed on Aug 2, 2013 under application number EP13748264A. The patent is currently recorded with a legal status of "Revoked".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| GRIESSON DE BEUKELAER | Aug 22, 2024 | DR STARK & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE19741717 |
| DESCRIPTION | DE19741718 |
| EXAMINATION | DE3331445 |
| EXAMINATION | EP0317917 |
| INTERNATIONAL-SEARCH-REPORT | DE19741717 |
| INTERNATIONAL-SEARCH-REPORT | GB2120516 |
| INTERNATIONAL-SEARCH-REPORT | US2004228957 |
| INTERNATIONAL-SEARCH-REPORT | US4812318 |
| INTERNATIONAL-SEARCH-REPORT | US5612078 |
| OPPOSITION | DE60318038T |
| OPPOSITION | EP2481290 |
| OPPOSITION | GB2120516 |
| OPPOSITION | US4812318 |
| OPPOSITION | US5612078 |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
Date
Description
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Jul 15, 2025
Jul 15, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Means of redress
OPPO
Sep 9, 2024
Sep 9, 2024
Sep 9, 2024
Sep 3, 2024
Sep 3, 2024
Aug 29, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Aug 22, 2024
Dec 5, 2023
Oct 26, 2023
Decision to grant a European patent
Search/Exam
Oct 12, 2023
(Electronic) Receipt
Search/Exam
Oct 12, 2023
English translation of the claims
Search/Exam
Oct 12, 2023
Filing of the translations of the claims
Search/Exam
Oct 12, 2023
French translation of claims
Search/Exam
Oct 12, 2023
Letter accompanying subsequently filed items
Search/Exam
Aug 4, 2023
(Electronic) Receipt
Search/Exam
Aug 4, 2023
Letter accompanying subsequently filed items
Search/Exam
Jun 6, 2023
Jun 6, 2023
Jun 6, 2023
Jun 6, 2023
Intention to grant (signatures)
Search/Exam
Jun 6, 2023
Text intended for grant (clean copy)
Search/Exam
Jun 6, 2023
May 19, 2023
(Electronic) Receipt
Search/Exam
May 19, 2023
Amended claims with annotations
Search/Exam
May 19, 2023
Claims
Search/Exam
May 19, 2023
Letter accompanying subsequently filed items
Search/Exam
May 19, 2023
May 2, 2023
(Electronic) Receipt
Search/Exam
May 2, 2023
Letter accompanying subsequently filed items
Search/Exam
May 2, 2023
Jan 11, 2023
Jan 11, 2023
Jan 11, 2023
Jan 11, 2023
Intention to grant (signatures)
Search/Exam
Jan 11, 2023
Text intended for grant (clean copy)
Search/Exam
Jan 11, 2023
Jun 24, 2022
(Electronic) Receipt
Search/Exam
Jun 24, 2022
Letter accompanying subsequently filed items
Search/Exam
Jun 13, 2022
(Electronic) Receipt
Search/Exam
Jun 13, 2022
Amended claims with annotations
Search/Exam
Jun 13, 2022
Amended description with annotations
Search/Exam
Jun 13, 2022
Claims
Search/Exam
Jun 13, 2022
Description
Search/Exam
Jun 13, 2022
Letter accompanying subsequently filed items
Search/Exam
Jun 13, 2022
Feb 1, 2022
Annex to the communication
Search/Exam
Feb 1, 2022
Communication from the Examining Division
Search/Exam
Aug 19, 2021
(Electronic) Receipt
Search/Exam
Aug 19, 2021
Letter concerning fees and payments
Search/Exam
Jun 29, 2021
Jun 16, 2021
(Electronic) Receipt
Search/Exam
Jun 16, 2021
Deficiencies in an enquiry
Search/Exam
Jun 16, 2021
Enquiry as to the processing of the file
Search/Exam
Jun 16, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 8, 2021
(Electronic) Receipt
Search/Exam
Jun 8, 2021
General enquiry
Search/Exam
Jun 8, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 10, 2020
(Electronic) Receipt
Search/Exam
Aug 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 26, 2019
(Electronic) Receipt
Search/Exam
Jul 26, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 23, 2018
(Electronic) Receipt
Search/Exam
Jul 23, 2018
Amended claims with annotations
Search/Exam
Jul 23, 2018
Claims
Search/Exam
Jul 23, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 23, 2018
Jul 20, 2018
Amended claims with annotations
Search/Exam
Jul 20, 2018
Claims
Search/Exam
Jul 20, 2018
Jun 12, 2018
(Electronic) Receipt
Search/Exam
Jun 12, 2018
Letter accompanying subsequently filed items
Search/Exam
May 28, 2018
May 22, 2018
(Electronic) Receipt
Search/Exam
May 22, 2018
Letter accompanying subsequently filed items
Search/Exam
May 22, 2018
Jan 10, 2018
Annex to the communication
Search/Exam
Jan 10, 2018
Communication from the Examining Division
Search/Exam
Jan 4, 2018
Examination started
Search/Exam
Sep 26, 2017
May 31, 2017
(Electronic) Receipt
Search/Exam
May 31, 2017
Letter concerning fees and payments
Search/Exam
Jun 29, 2016
(Electronic) Receipt
Search/Exam
Jun 29, 2016
Letter concerning fees and payments
Search/Exam
Jan 29, 2016
Authorisation
Search/Exam
Jan 29, 2016
Authorisation
Search/Exam
Jan 29, 2016
Jan 29, 2016
Dec 18, 2015
Letter accompanying subsequently filed items
Search/Exam
Dec 18, 2015
Dec 18, 2015
Dec 18, 2015
Dec 18, 2015
Dec 18, 2015
Priority search results
Search/Exam
Dec 18, 2015
Dec 17, 2015
Nov 5, 2015
Nov 5, 2015
Oct 27, 2015
Oct 14, 2015
Oct 14, 2015
Sep 30, 2015
Aug 31, 2015
Payment of fees and costs
Search/Exam
May 28, 2015
Submission concerning representation
Search/Exam
May 13, 2015
Mar 10, 2015
Mar 6, 2015
Communication to designated inventor
Search/Exam
Mar 6, 2015
Communication to designated inventor
Search/Exam
Mar 6, 2015
Communication to designated inventor
Search/Exam
Mar 6, 2015
Communication to designated inventor
Search/Exam
Mar 6, 2015
Communication to designated inventor
Search/Exam
Mar 6, 2015
Communication to designated inventor
Search/Exam
Mar 6, 2015
Communication to designated inventor
Search/Exam
Feb 16, 2015
Jan 26, 2015
(Electronic) Receipt
Search/Exam
Jan 26, 2015
Jan 26, 2015
Amended claims with annotations
Search/Exam
Jan 26, 2015
Amendments received before examination
Search/Exam
Jan 26, 2015
Request for entry into the European phase
Search/Exam
Dec 10, 2014
Information on entry into European phase
Search/Exam
Feb 25, 2014
Feb 6, 2014
Copy of the international search report
Search/Exam
Feb 6, 2014
Copy of the international search report
Search/Exam
Feb 6, 2014
Published international application - A1
Search/Exam
Dec 9, 2013
Dec 9, 2013
Dec 9, 2013
Sep 11, 2013
Aug 2, 2013
Abstract
PCTRO
Aug 2, 2013
Claims
PCTRO
Aug 2, 2013
Description
PCTRO
Aug 2, 2013
Drawings
PCTRO
Aug 2, 2013